The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 11, 2026
Filed:
Sep. 01, 2022
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Seulong Kim, Cheonan-si, KR;
Hajin Song, Hwaseong-si, KR;
Jihwan Yoon, Yongin-si, KR;
Jina Hur, Suwon-si, KR;
Jaehoon Hwang, Seoul, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10K 85/40 (2023.01); C07F 7/08 (2006.01); C09K 11/06 (2006.01); H10K 50/15 (2023.01); H10K 85/60 (2023.01); H10K 102/00 (2023.01);
U.S. Cl.
CPC ...
H10K 85/40 (2023.02); C07F 7/081 (2013.01); C07F 7/0814 (2013.01); C09K 11/06 (2013.01); C09K 2211/1018 (2013.01); H10K 50/156 (2023.02); H10K 85/615 (2023.02); H10K 85/631 (2023.02); H10K 85/6572 (2023.02); H10K 2102/351 (2023.02);
Abstract
A light emitting element that includes a first electrode, a first hole transport region on the first electrode, a first emission layer on the first hole transport region, a first electron transport region on the first emission layer, and a second electrode on the first electron transport region is provided. The first hole transport region includes a polycyclic compound represented by Formula 1 and a compound represented by Formula H-1: